Features Accurate Measurement Range: Electronic measurement range of 0-300mm/12in with ±0.01in accuracy ensures readings for all your measuring needs Instant Unit Conversion: Quick-change button allows seaml switching between inch and metric units, plus a reset key for effortl measurement Non-Damaging Material: Constructed from aerospace engineering grade carbon, this tool protects valuable items like jewelry and 3D prints from damage during measurement Versatile Long Jaw Design: The extended jaw accommodates a variety of measuring tasks, making it ideal for both home DIY projects and profional applications Extra-Large LCD Display: Features a large, easy-to-read LCD screen for clear visibility, enhancing efficiency and accuracy in any work environment Features: 1、The electronic measurement range is 0~300mm/12in with an accuracy of ±0.m/0.01in for readings in all your measurement needs. 2、This measuring tool has a quick？change button that changes between inch/metric units, with reset key to facilitate measurement and use. 3、Aerospace engineering grade carbon, when measuring valuable items such as jewelry or 3D printing, it will not cause damage to the measured object. 4、Long jaw design, which can meet most of the measurement needs. Home DIY and profional use are both highly recommended. 5、It has an extra？large LCD screen for easy and clear readings for faster efficiency and accuracy on the job or at the worksite. Specification: Item Type: Digital Caliper Material: Carbon Color: As shown in the picture Measuring Range: 0~300mm/12in Accuracy: ±0.m/0.01in Working Temperature: 0℃~40℃ Storage Temperature: -20℃~70℃ Battery Type: Button battery Battery Model: LR44 (Not included) Number of Batteries: 1pcs Package List: 1 x Digital Caliper (Battery Not Included) Package List 1 x Digital Caliper (Battery Not Included)